#!/usr/bin/env python
# _*_coding:utf-8_*_

"""
@Time : 2022/5/29 11:21
@Author: RunAtWorld
@File: none_demo.py
"""

def field_none():
    model = {}
    model['name'] = None
    net = {}
    net[None] = 'ab'
    net_name = net.get(model['name'])
    print(f'net_name:{net_name}')

if __name__ == '__main__':
    field_none()
